/* =========================================================
   AI Woo assistance — Frontend Widget Styles
   ========================================================= */

/* --- CSS custom properties -------------------------------- */
#aia-widget {
    --aia-primary:      #635bff;
    --aia-primary-dark: #4d43d8;
    --aia-primary-glow: rgba(99,91,255,.22);
    --aia-ink:          #1a1b25;
    --aia-muted:        #6b7280;
    --aia-bg:           #f5f5fb;
    --aia-white:        #ffffff;
    --aia-border:       rgba(31,35,44,.10);
    --aia-radius-lg:    20px;
    --aia-radius-md:    14px;
    --aia-radius-sm:    10px;
    --aia-shadow:       0 20px 60px rgba(31,35,44,.18), 0 4px 16px rgba(99,91,255,.08);
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 99999;
}

/* --- Toggle bubble ---------------------------------------- */
#aia-toggle {
    width: 60px;
    height: 60px;
    border: 0;
    border-radius: 50%;
    background: linear-gradient(145deg, #7c74ff, var(--aia-primary-dark));
    color: #fff;
    font-size: 26px;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 8px 24px var(--aia-primary-glow), 0 2px 8px rgba(0,0,0,.12);
    transition: transform .2s ease, box-shadow .2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}
#aia-toggle:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 14px 30px var(--aia-primary-glow), 0 4px 12px rgba(0,0,0,.14);
}
#aia-toggle:active {
    transform: scale(.97);
}
/* Unread badge — shown via JS when bot sends first greeting */
#aia-toggle .aia-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 18px;
    height: 18px;
    background: #ef4444;
    border-radius: 50%;
    border: 2px solid #fff;
    font-size: 10px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    display: none;
}

/* --- Chat window ------------------------------------------ */
#aia-window {
    position: absolute;
    right: 0;
    bottom: 76px;
    width: 380px;
    max-width: calc(100vw - 32px);
    height: min(580px, calc(100vh - 120px));
    background: var(--aia-white);
    border: 1px solid var(--aia-border);
    border-radius: var(--aia-radius-lg);
    box-shadow: var(--aia-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    /* open / close animation */
    transform-origin: bottom right;
    animation: aia-pop-in .22s cubic-bezier(.34,1.56,.64,1) both;
}
@keyframes aia-pop-in {
    from { opacity: 0; transform: scale(.88) translateY(12px); }
    to   { opacity: 1; transform: scale(1)  translateY(0); }
}

/* --- Header ----------------------------------------------- */
#aia-header {
    padding: 16px 18px 15px;
    background: linear-gradient(135deg, #685fff 0%, var(--aia-primary-dark) 100%);
    color: #fff;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.aia-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,.18);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    border: 2px solid rgba(255,255,255,.30);
}
.aia-header-info {
    flex: 1;
    min-width: 0;
}
.aia-header-title {
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -.1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.aia-status {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-top: 3px;
    color: rgba(255,255,255,.85);
    font-size: 11.5px;
    font-weight: 500;
}
.aia-status-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #35d07f;
    flex-shrink: 0;
    animation: aia-pulse 2.2s ease-in-out infinite;
}
@keyframes aia-pulse {
    0%,100% { box-shadow: 0 0 0 0   rgba(53,208,127,.50); }
    50%      { box-shadow: 0 0 0 5px rgba(53,208,127,.00); }
}
#aia-close {
    background: rgba(255,255,255,.15);
    border: 0;
    border-radius: 8px;
    color: #fff;
    font-size: 18px;
    line-height: 1;
    width: 32px;
    height: 32px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background .15s;
}
#aia-close:hover {
    background: rgba(255,255,255,.28);
}

/* --- Messages area ---------------------------------------- */
#aia-messages {
    flex: 1;
    padding: 18px 16px;
    overflow-y: auto;
    background: var(--aia-bg);
    display: flex;
    flex-direction: column;
    gap: 10px;
    scroll-behavior: smooth;
}
/* Custom scrollbar */
#aia-messages::-webkit-scrollbar { width: 4px; }
#aia-messages::-webkit-scrollbar-track { background: transparent; }
#aia-messages::-webkit-scrollbar-thumb { background: #d1d5db; border-radius: 4px; }

/* --- Message rows ----------------------------------------- */
.aia-row {
    display: flex;
    align-items: flex-end;
    gap: 8px;
    animation: aia-msg-in .18s ease both;
}
@keyframes aia-msg-in {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}
.aia-row.user {
    flex-direction: row-reverse;
}

/* Bot avatar inside messages */
.aia-msg-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, #685fff, var(--aia-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    color: #fff;
    align-self: flex-end;
    margin-bottom: 2px;
}
.aia-row.user .aia-msg-avatar {
    background: #e5e7eb;
    font-size: 13px;
}

/* Bubble */
.aia-bubble {
    max-width: 78%;
    padding: 10px 13px;
    border-radius: var(--aia-radius-md);
    font-size: 13.5px;
    line-height: 1.55;
    word-wrap: break-word;
    white-space: pre-wrap;
}
.aia-row.bot  .aia-bubble {
    background: var(--aia-white);
    color: var(--aia-ink);
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,.07);
}
.aia-row.user .aia-bubble {
    background: linear-gradient(135deg, #7c74ff, var(--aia-primary-dark));
    color: #fff;
    border-bottom-right-radius: 4px;
    margin-left: auto;
}

/* Inline links inside bot bubbles */
.aia-bubble a {
    color: var(--aia-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.aia-row.user .aia-bubble a {
    color: rgba(255,255,255,.9);
}

/* Bold / italic in bot bubbles */
.aia-bubble strong { font-weight: 700; }
.aia-bubble em     { font-style: italic; }

/* Bullet list inside bot bubbles */
.aia-bubble ul {
    margin: 6px 0 0 0;
    padding-left: 18px;
    list-style: disc;
}
.aia-bubble ul li { margin: 3px 0; }

/* --- Typing indicator ------------------------------------- */
.aia-typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 10px 14px;
    background: var(--aia-white);
    border-radius: var(--aia-radius-md);
    border-bottom-left-radius: 4px;
    box-shadow: 0 1px 3px rgba(0,0,0,.07);
    width: fit-content;
}
.aia-typing span {
    display: block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #9ca3af;
    animation: aia-dot-bounce .9s ease-in-out infinite;
}
.aia-typing span:nth-child(2) { animation-delay: .15s; }
.aia-typing span:nth-child(3) { animation-delay: .30s; }
@keyframes aia-dot-bounce {
    0%,80%,100% { transform: translateY(0);    background: #9ca3af; }
    40%          { transform: translateY(-6px); background: var(--aia-primary); }
}

/* --- Date / system divider -------------------------------- */
.aia-divider {
    text-align: center;
    font-size: 11px;
    color: var(--aia-muted);
    margin: 4px 0;
    user-select: none;
}

/* --- Input row -------------------------------------------- */
#aia-input-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-top: 1px solid #ebebf3;
    background: var(--aia-white);
    flex-shrink: 0;
}
#aia-input {
    flex: 1;
    min-width: 0;
    border: 1.5px solid #e0e0ec;
    border-radius: var(--aia-radius-sm);
    padding: 10px 12px;
    font: inherit;
    font-size: 13.5px;
    color: var(--aia-ink);
    background: #fafafd;
    outline: none;
    transition: border-color .18s, box-shadow .18s, background .18s;
    resize: none;
}
#aia-input::placeholder { color: #a0a0b8; }
#aia-input:focus {
    border-color: var(--aia-primary);
    background: #fff;
    box-shadow: 0 0 0 3px var(--aia-primary-glow);
}
#aia-input:disabled {
    opacity: .55;
    cursor: not-allowed;
}
#aia-send {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: var(--aia-radius-sm);
    background: linear-gradient(135deg, #7c74ff, var(--aia-primary-dark));
    color: #fff;
    font-size: 17px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform .15s, box-shadow .15s, background .15s;
    box-shadow: 0 2px 8px var(--aia-primary-glow);
}
#aia-send:hover:not(:disabled) {
    transform: scale(1.07);
    box-shadow: 0 4px 14px var(--aia-primary-glow);
}
#aia-send:active:not(:disabled) {
    transform: scale(.95);
}
#aia-send:disabled {
    opacity: .45;
    cursor: not-allowed;
    transform: none;
}

/* Powered-by footer */
#aia-footer {
    text-align: center;
    font-size: 10.5px;
    color: #b0b0c8;
    padding: 5px 0 7px;
    background: var(--aia-white);
    flex-shrink: 0;
    border-top: 1px solid #f0f0f8;
    user-select: none;
}

/* --- Responsive ------------------------------------------- */
@media (max-width: 480px) {
    #aia-widget {
        right: 14px;
        bottom: 14px;
    }
    #aia-window {
        right: -6px;
        bottom: 72px;
        width: calc(100vw - 22px);
        max-width: none;
        height: min(520px, calc(100vh - 100px));
    }
}